Search Results for author: Gert de Cooman

Found 12 papers, 0 papers with code

The logic behind desirable sets of things, and its filter representation

no code implementations16 Feb 2023 Gert de Cooman, Arthur Van Camp, Jasper De Bock

We identify the logic behind the recent theory of coherent sets of desirable (sets of) things, which generalise desirable (sets of) gambles and coherent choice functions, and show that this identification allows us to establish various representation results for such coherent models in terms of simpler ones.

Decision-making with E-admissibility given a finite assessment of choices

no code implementations15 Apr 2022 Arne Decadt, Alexander Erreygers, Jasper De Bock, Gert de Cooman

Given information about which options a decision-maker definitely rejects from given finite sets of options, we study the implications for decision-making with E-admissibility.

Decision Making

On a notion of independence proposed by Teddy Seidenfeld

no code implementations20 Feb 2021 Jasper De Bock, Gert de Cooman

Teddy Seidenfeld has been arguing for quite a long time that binary preference models are not powerful enough to deal with a number of crucial aspects of imprecision and indeterminacy in uncertain inference and decision making.

Decision Making Decision Making Under Uncertainty

Inference with Choice Functions Made Practical

no code implementations7 May 2020 Arne Decadt, Jasper De Bock, Gert de Cooman

We study how to infer new choices from previous choices in a conservative manner.

Decision Making

Coherent and Archimedean choice in general Banach spaces

no code implementations13 Feb 2020 Gert de Cooman

I introduce and study a new notion of Archimedeanity for binary and non-binary choice between options that live in an abstract Banach space, through a very general class of choice models, called sets of desirable option sets.

Interpreting, axiomatising and representing coherent choice functions in terms of desirability

no code implementations28 Feb 2019 Jasper De Bock, Gert de Cooman

Choice functions constitute a simple, direct and very general mathematical framework for modelling choice under uncertainty.

Decision Making

A Desirability-Based Axiomatisation for Coherent Choice Functions

no code implementations4 Jun 2018 Jasper De Bock, Gert de Cooman

Choice functions constitute a simple, direct and very general mathematical framework for modelling choice under uncertainty.

Lexicographic choice functions

no code implementations10 Jul 2017 Arthur Van Camp, Gert de Cooman, Enrique Miranda

We investigate a generalisation of the coherent choice functions considered by Seidenfeld et al. (2010), by sticking to the convexity axiom but imposing no Archimedeanity condition.

Exchangeable choice functions

no code implementations6 Mar 2017 Arthur Van Camp, Gert de Cooman

We investigate how to model exchangeability with choice functions.

Sensitivity analysis for finite Markov chains in discrete time

no code implementations9 Aug 2014 Gert de Cooman, Filip Hermans, Erik Quaeghebeur

When the initial and transition probabilities of a finite Markov chain in discrete time are not well known, we should perform a sensitivity analysis.

Updating with incomplete observations

no code implementations7 Aug 2014 Gert de Cooman, Marco Zaffalon

This is a fundamental problem, and of particular interest for Bayesian networks.

Irrelevant and independent natural extension for sets of desirable gambles

no code implementations4 Feb 2014 Gert de Cooman, Enrique Miranda

The independent natural extension of maximal coherent sets of desirable gambles allows us to define the strong product of sets of desirable gambles.

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